import auth from '@/plugins/auth'
import router, { constantRoutes, dynamicRoutes } from '@/router'
import { getRouters } from '@/api/menu'
// import Layout from '@/layout/index'
// import ParentView from '@/components/ParentView'
// import InnerLink from '@/layout/components/InnerLink'
const permission = {
  state: {
    routes: [],
    addRoutes: [],
    defaultRoutes: [],
    topbarRouters: [],
    sidebarRouters: []
  },
  mutations: {
    SET_ROUTES: (state, routes) => {
      state.addRoutes = routes
      state.routes = constantRoutes.concat(routes)
    },
    SET_DEFAULT_ROUTES: (state, routes) => {
      state.defaultRoutes = constantRoutes.concat(routes)
    },
    SET_TOPBAR_ROUTES: (state, routes) => {
      state.topbarRouters = routes
    },
    SET_SIDEBAR_ROUTERS: (state, routes) => {
      state.sidebarRouters = routes
      sessionStorage.setItem("sidebarRouters", JSON.stringify(routes))
    },
  },
  actions: {
    // 生成路由
    GenerateRoutes({ commit }) {
      return new Promise(resolve => {
        // 向后端请求路由数据
        getRouters().then(res => {
          let list = []
          let arr = []
          let menuList = []
          var path = localStorage.getItem("path")
          // const sdata = JSON.parse(JSON.stringify(res.data))
          // const rdata = JSON.parse(JSON.stringify(res.data))
          console.log(res)
          console.log(path)
          res.data.forEach(item => {
            list.push(item.path)
          })
          // var path1 = path ? path : "/system"

          var path1 = path
          var data = res.data[list.indexOf(path1)]
           console.log(data)
          if (!data) {
            
            // Message.error("获取菜单失败！")
            // setTimeout(() => {
            //   this.$store.dispatch('LogOut').then(() => {})
            //   return router.push("/home")
            // }, 2000);
          }
          // if (!data || data.length==0) {
          //   router.push({path:"/home",query:{tip:1}})
          //   return
          // }
          // if (data) {
          //   data.children.forEach(item => {
          //     item.path = path1 + "/" + item.path
          //     item.component = "Layout"
          //     arr.push(item)
          //   })
          // }
        
        
          sessionStorage.setItem("menuList", JSON.stringify(menuList))
          const sdata = JSON.parse(JSON.stringify(arr))
          const rdata = JSON.parse(JSON.stringify(arr))
          const sidebarRoutes = filterAsyncRouter(sdata)
          const rewriteRoutes = filterAsyncRouter(rdata, false, true)
       
          const asyncRoutes = filterDynamicRoutes(dynamicRoutes);
          rewriteRoutes.push({ path: '*', redirect: '/404', hidden: true })
          router.addRoutes(asyncRoutes);
          commit('SET_ROUTES', rewriteRoutes)
          commit('SET_SIDEBAR_ROUTERS', constantRoutes.concat(sidebarRoutes))
          commit('SET_DEFAULT_ROUTES', sidebarRoutes)
          commit('SET_TOPBAR_ROUTES', sidebarRoutes)
          resolve(rewriteRoutes)
        })
      })
    }
  }
}

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
  return asyncRouterMap.filter(route => {
    if (type && route.children) {
      route.children = filterChildren(route.children)
    }
    if (route.component) {
      // Layout ParentView 组件特殊处理
      // if (route.component === 'Layout') {
      //   route.component = Layout
      // } else if (route.component === 'ParentView') {
      //   route.component = ParentView
      // } else if (route.component === 'InnerLink') {
      //   route.component = InnerLink
      // } else {
      //   route.component = loadView(route.component)
      // }
    }
    // console.log(route)
    if (route.children != null && route.children && route.children.length) {
      route.children = filterAsyncRouter(route.children, route, type)
    } else {
      delete route['children']
      delete route['redirect']
    }
    return true
  })
}

function filterChildren(childrenMap, lastRouter = false) {
  var children = []
  childrenMap.forEach((el, index) => {
    if (el.children && el.children.length) {
      if (el.component === 'ParentView' && !lastRouter) {
        el.children.forEach(c => {
          c.path = el.path + '/' + c.path
          if (c.children && c.children.length) {
            children = children.concat(filterChildren(c.children, c))
            return
          }
          children.push(c)
        })
        return
      }
    }
    if (lastRouter) {
      el.path = lastRouter.path + '/' + el.path
    }
    children = children.concat(el)
  })
  return children
}

// 动态路由遍历，验证是否具备权限
export function filterDynamicRoutes(routes) {
  const res = []
  if(!routes||routes.length==0){
    return res
  }
  routes.forEach(route => {
    if (route.permissions) {
      if (auth.hasPermiOr(route.permissions)) {
        res.push(route)
      }
    } else if (route.roles) {
      if (auth.hasRoleOr(route.roles)) {
        res.push(route)
      }
    }
  })
  return res
}

export const loadView = (view) => {
  if (process.env.NODE_ENV === 'development') {
    return (resolve) => require([`@/views/${view}`], resolve)
  } else {
    // 使用 import 实现生产环境的路由懒加载
    return () => import(`@/views/${view}`)
  }
}

export default permission
